diff --git a/tools/import-trace/Importer.cc b/tools/import-trace/Importer.cc
index 1a46bf1c..305e43fa 100644
--- a/tools/import-trace/Importer.cc
+++ b/tools/import-trace/Importer.cc
@@ -146,10 +146,11 @@ bool Importer::copy_to_database(fail::ProtoIStream &ps) {
 	LOG << "trace duration: " << std::dec << (curtime - m_time_trace_start) << " ticks" << std::endl;
 	LOG << "Inserted " << m_row_count << " real trace events into the database" << std::endl;
 
-
-	/* All addresses that were specified in the memory map get an open
-	   EC */
-	open_unused_ec_intervals();
+	if (m_cover_memorymap) {
+		/* All addresses that were specified in the memory map get an open
+		   EC */
+		open_unused_ec_intervals();
+	}
 
 	/* Close all open EC intervals */
 	if (!close_ec_intervals()) {
diff --git a/tools/import-trace/Importer.hpp b/tools/import-trace/Importer.hpp
index 570ed2de..cb3ad49c 100644
--- a/tools/import-trace/Importer.hpp
+++ b/tools/import-trace/Importer.hpp
@@ -27,6 +27,7 @@ protected:
 	bool m_sanitychecks;
 	bool m_import_write_ecs;
 	bool m_extended_trace;
+	bool m_cover_memorymap;
 	fail::Database *db;
 	fail::Architecture m_arch;
 	fail::UniformRegisterSet *m_extended_trace_regs;
@@ -120,7 +121,8 @@ protected:
 	bool sanitycheck(std::string check_name, std::string fail_msg, std::string sql);
 public:
 	Importer() : m_variant_id(0), m_elf(NULL), m_mm(NULL), m_faultspace_rightmargin('W'),
-		m_sanitychecks(false), m_import_write_ecs(true), m_extended_trace(false), db(NULL),
+		m_sanitychecks(false), m_import_write_ecs(true), m_extended_trace(false),
+		m_cover_memorymap(false), db(NULL),
 		m_extended_trace_regs(NULL), m_row_count(0), m_time_trace_start(0),
 		m_last_ip(0), m_last_instr(0), m_last_time(0) {}
 	bool init(const std::string &variant, const std::string &benchmark, fail::Database *db);
@@ -142,6 +144,7 @@ public:
 	void set_sanitychecks(bool enabled) { m_sanitychecks = enabled; }
 	void set_import_write_ecs(bool enabled) { m_import_write_ecs = enabled; }
 	void set_extended_trace(bool enabled) { m_extended_trace = enabled; }
+	void set_cover_memorymap(bool enabled) { m_cover_memorymap = enabled; }
 };
 
 #endif
diff --git a/tools/import-trace/main.cc b/tools/import-trace/main.cc
index 064eb4ad..61ec9a2d 100644
--- a/tools/import-trace/main.cc
+++ b/tools/import-trace/main.cc
@@ -118,6 +118,9 @@ int main(int argc, char *argv[]) {
 	CommandLine::option_handle MEMORYMAP =
 		cmd.addOption("m", "memorymap", Arg::Required,
 			"-m/--memorymap \tMemory map to intersect with trace (if used more than once, the union of all maps will be used; default: UNSET)");
+	CommandLine::option_handle COVER_MEMORYMAP =
+		cmd.addOption("", "cover-memorymap", Arg::None,
+			"--cover-memorymap \tEnforces DB entries for addresses covered by the --memorymap that don't occur in the trace");
 	CommandLine::option_handle NO_DELETE =
 		cmd.addOption("", "no-delete", Arg::None,
 			"--no-delete \tAssume there are no DB entries for this variant/benchmark, don't issue a DELETE");
@@ -252,6 +255,7 @@ int main(int argc, char *argv[]) {
 	importer->set_sanitychecks(cmd[ENABLE_SANITYCHECKS]);
 	importer->set_extended_trace(cmd[EXTENDED_TRACE]);
 	importer->set_import_write_ecs(!cmd[NO_WRITE_ECS]);
+	importer->set_cover_memorymap(cmd[COVER_MEMORYMAP]);
 
 	if (!importer->init(variant, benchmark, db)) {
 		LOG << "importer->init() failed" << endl;